Jump to the Cloud

Public vs. Private vs. Hybrid

Cloud computing broadly breaks down into 3 different models – Public, Private & Hybrid - choosing the right one starts with understanding business objectives and how best they align with the values each model delivers. In addition, it is important to consider who you work with as a cloud provider and what benefits and limitations they may offer.

Public Cloud
A Public Cloud is one that’s based on the standard cloud computing model where services, applications and storage are made available to users over the Internet ‘as a service’ – typically on a Pay Per Use model. While Public Clouds are appealing to many businesses as they reduce complexity and lead times, because the underlying architecture is fixed, there is less scope for customization for security and performance. There are many types of Public Cloud, the most common being Infrastructure as a service (IaaS), Platform as a service (PaaS), Software as a service (SaaS) and Desktop as a service (DaaS) platforms – all of which we make available to the channel through our proprietary Cloud services. The economies of scale afforded by Public Cloud computing are what make this technology highly attractive.

Ideal for……. Companies that need to bring a service to market quickly, have less regulatory hurdles to overcome, or are looking to outsource part or all of their organizational IT requirements. Under this scenario, the business can simply sign-up for and start using Cloud Computing, online storage and other services immediately.

Private Cloud
Private Clouds consist of cloud infrastructure that is deployed solely for a single organization, whether managed internally or hosted by a third-party externally. They require a significant level of engagement from both management and IT departments to virtualize the business environment, and also mean evaluating how existing resources should be reallocated in the cloud. Private Clouds offer scope for advanced security, high availability or fault tolerant solutions that are not possible in a Public Cloud. However, as they are effectively ‘stand-alone’ solutions in their own right, building a Private Cloud still involves significant investment, and does not therefore deliver the shorter-term economies that Public Cloud can.

Ideal for……. Businesses that must comply with strict regulations or that have highly critical applications will choose internal Private Clouds. With a private cloud, businesses install their own server and storage hardware but have the flexibility to shift workloads among servers as usage spikes or they deploy new applications.

Hybrid Cloud
As the name suggests, a hybrid cloud comprises both private (internal) and public (external) cloud services. Typically a business might run an application primarily on a private cloud, but rely on a public cloud to accommodate spikes in usage. Customized rules and policies govern areas such as security and the underlying infrastructure, with tasks allocated to internal or external clouds as necessary.

Ideal for……. E-commerce. Because e-commerce sites must respond to fluctuations in traffic both on a daily and seasonal cycle, the actual work of processing the orders can benefit from the elastic characteristics of public cloud resources. On the other hand, legal regulations strictly govern how personal and payment information can be handled, and this type of sensitive data is more secure if it stays “on-premise” in the Private Cloud. This hybrid solution represents the best of both worlds as it places the order processing and transactional front-end of the shop where it can take advantage of resource scalability, while it keeps the payment and account management services strictly private.

Choosing the correct model for your business is not an easy decision. Each option had its own set of distinct advantages and disadvantages based on your organization. Working with the proper Cloud Service Provider like TDM Solutions, is an important step in your decision making process. The cloud Service Provider brings years of cloud expertise to the table and can sit down with your business and recommend the best solution for your needs.

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